# OC Root 2nd 3rd 4th PC Gene/Definition OC.562283 Bacteria.399064 Thermotogae.1964 Pseudothermotoga.803 tle.748 tle:Tlet_0754 spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.562283 Bacteria.399064 Thermotogae.1964 Pseudothermotoga.803 tta.888 tta:Theth_0921 spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16] OC.562283 Bacteria.399064 Thermotogae.1964 Pseudothermotoga.803 phy.2019 phy:AJ81_10550 spermidine synthase; K00797 spermidine synthase [EC:2.5.1.16]